Note 5 - Revenue - Allowance for Expected Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance at the beginning of the period	$ 3,032
Transition period adjustment pursuant to ASC 326	135
Additions during the period	196	$ (56)
Balance at the end of the period	$ 3,363